Display screen with a graphical user interface



The FIGURE is a view of a display screen with a graphical user interface according to our new design,

wherein the outermost broken lines surrounding the graphical user interface represent a display screen which forms no part of the claimed design, and wherein other broken lines in the drawing illustrate environment and form no part of the claimed design. 

CLAIM We claim the ornamental design for a display screen with a graphical user interface, as shown and described. 